19987242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{302837}}^1$

素因数の和:302853

約数の個数: 16

約数和(自身を含む): 43608672

約数和(自身を除く): 23621430

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 302837, 605674, 908511, 1817022, 3331207, 6662414, 9993621, 19987242]

約数ペア:

[(1, 19987242), (2, 9993621), (3, 6662414), (6, 3331207), (11, 1817022), (22, 908511), (33, 605674), (66, 302837)]